If you're just slapping Docker on the box and not trying something
fancy like running it on EKS, I would just switch to running NiFi
directly. That allows you to use something like Chef or Ansible to
manage your configurations which is a lot more powerful than manually
tweaking Docker.
On Fri, Nov 11, 2022 at 6:20 AM James McMahon wrote:
>
> The NiFi System Administration Guide makes many recommendations for
> configuration changes to optimize nifi performance. These "best practices",
> for example:
> *
> https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#configuration-best-practices
> Placement of repos on separate disk devices is another big one; here is an
> example:
> *
> https://nifi.apache.org/docs/nifi-docs/html/administration-guide.html#content-repository
>
> I have nifi installed in a docker container on an EC2 instance.
>
> As far as I can tell, it is not optimized and I am writing today to ask if
> anyone has done that with success? If so, I'd like to learn more about that..
>
>
> I use the command
> docker exec -it nifi /bin/bash
> to review what I understand to be the nifi directories and config files in
> the container.
>
> I notice nifi in the container is in many ways not configured to Apache
> NiFi recommendations for optimal performance. For example, the
> nifi.properties repo params for the docker installation all show repos placed
> on one common disk
> device (the one where the container lives, presumably).
>
> I've configured external ebs volumes that I've mounted on my instance. My
> intention: one
> for content_repository, one for flowfile_repository, and likewise for
> database and provenance repositories. I'd like to have the containerized
> nifi write to and read from those so that I don't bottleneck performance
> reading and writing to the same device for repos.
>
> I need to persist my changes to nifi config files. How does one avoid
> making changes in nifi.properties and the like that are lost when the
> docker container is stopped, deleted, and a new one instantiated?
>
> I need to engage with external repo resources when nifi runs within my
> container.
> How do we direct nifi in the container to use those external resources
> outside of the container to host content_repository, etc etc?
>
> Thank you in advance for any help.
> Jim